source:[1] Delta forecasts a $200 million hit to its Q4 profit due to shutdown - Travel Weekly (https://www.travelweekly.com/Travel-News/Airl ...)[2] Delta Bookings Rebound Post-Shutdown; $200M Hit On Profits Seen - Aviation Week Network (https://aviationweek.com/air-transport/airlin ...)[3] Airlines face steep fines as FAA investigates missed flight reductions - USA Today (https://www.usatoday.com/story/travel/airline ...)